Seungwook Hong

This inventor holds 85 USPTO granted patents and 37 published patent applications, plus 4 CIPO patents and 5 EPO patents, primarily in Video Coding Techniques (CPC class H04N19-176). Top assignees: Arris Enterprises LLC, Sony Corporation, Nokia Technologies Oy. Active years: 2013-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seungwook Hong. Retrieved from https://idiyas.com/inventor/seungwook-hong

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 85 (Patent Applications = 37)

% Patents Active = 64.7

CIPO Patents = 4 (Patent Applications = 20)

EPO Patents = 5 (Patent Applications = 28)

Average Co-Inventor Count = 3.2

ph-index = 10

Forward Citations = 279(Granted Patents)

Forward Citations (Not Self Cited) = 239(Dec 10, 2025)

Inventors with similar research interests:

🔬 See more inventors

Company Filing History:

66 out of 1,892

Arris Enterprises LLC

Nokia Technologies Oy

where one patent can have more than one assignee

Years Active: 2013-2026

Loading Chart...

Areas of Expertise:

Video Bitstream Coding

Gradual Decoding Refresh

Planar Prediction

Motion Vector Prediction

Adaptive Prediction

Quadtree Structure

Angular Prediction

Virtual Reality Coding

Temporal Motion Vector

Partitioning Methods

Intra Prediction

Video Encoding

85 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12701221 - Unequal weight planar motion vector derivation (2026-08-04),

2. RE50935 - Offset temporal motion vector predictor (TMVP) (2026-06-23),

3. 12652402 - Constrained position dependent intra prediction combination (PDPC) (2026-06-09),

4. 12641232 - JVET quadtree plus binary tree (QTBT) structure with multiple asymmetrical partitioning (2026-05-26),

5. 12581107 - System processing partitioned coded video (2026-03-17),

6. 12542894 - Method, an apparatus and a computer program product for implementing gradual decoding refresh (2026-02-03),

7. 12457337 - General block partitioning method (2025-10-28),

8. 12413755 - Luma mapping with chroma scaling for gradual decoding refresh (2025-09-09),

9. 12413737 - Geometric partitioning merge mode with merge mode with motion vector difference (2025-09-09),

10. 12382072 - Luma mapping with chroma scaling for gradual decoding refresh (2025-08-05),

11. 12356000 - Video bitstream coding (2025-07-08),

12. 12335464 - Adaptive unequal weight planar prediction (2025-06-17),

13. 12244789 - Unequal weight planar motion vector derivation (2025-03-04),

14. 12231654 - History-based motion vector prediction and mode selection for gradual decoding refresh (2025-02-18),

15. 12219149 - System and method for constructing a plane for planar prediction (2025-02-04),

Title: Seungwook Hong: Innovator in Motion Vector Prediction and Planar Coding

Introduction: Seungwook Hong, located in San Diego, CA, is an accomplished inventor with an impressive portfolio of 72 patents. His innovative contributions predominantly focus on motion vector prediction and coding techniques essential to advancements in video compression technologies.

Latest Patents: Among his latest patents are groundbreaking methodologies aimed at enhancing video compression processes. One notable patent is titled "History-based motion vector prediction and mode selection for gradual decoding refresh." This invention presents a comprehensive method, apparatus, and computer program product that manage history-based motion vector prediction (HMVP) for Gradual Decoding Refresh (GDR) pictures. The approach emphasizes efficient mode selection implementations within GDR periods and tuning of coding tools like in-loop filters and Luma Mapping with Chroma Scaling (LMCS). The method leverages specific coding unit references and candidate lists to streamline the coding process, ultimately improving picture quality and compression efficiency.

Another significant invention is the "System and method for constructing a plane for planar prediction." This invention outlines a systematic approach to defining a plane for planar coding within the Joint Video Experts Team (JVET) framework. Using the least squares method for defining lines based on pixels from adjacent coding units, this invention focuses on creating precise planes that enhance the coding process, thereby optimizing video encoding efficiency.

Career Highlights: Throughout his career, Seungwook has made notable contributions in prominent technological companies such as Arris Enterprises LLC and Sony Corporation. His work has significantly influenced the field of video coding, showcasing his exceptional skills in developing innovative solutions to complex challenges in motion vector prediction.

Collaborations: Collaboration has played a crucial role in Seungwook's innovative journey. He has worked alongside talented individuals, including Limin Wang and Krit Panusopone, enhancing the scope and impact of his inventions through shared expertise and knowledge.

Conclusion: Seungwook Hong stands out as a leading figure in the realm of video compression technology. With 72 patents to his name, his innovative work continues to shape the future of motion vector prediction and video coding. His dedication to enhancing communication technology positions him as a significant contributor to the advancements in multimedia applications.

Profile summary based on public USPTO records.